? >> thank you. >>> police have arrested a woman in connection with that ambush in webster, new york. remember christmas eve, two firefighters were shot and killed, two others wounded. when they arrived to put out a fire at william spangler's house. police say this woman, dawn wen, the gunman's neighbor, illegally bought those guns used in that ambush, that according to the u.s. attorney. >> the precise charge against dawn wen has to do with lying during her purchase of these two weapons. according to the publicly filed complaint, dawn wynn told the seller of these guns, ganlder mountain, located in henrietta, new york, that she was to be the true owner and buyer of the guns instead of william spangler. it is absolutely against federal law to provide any materially false information relating to the acquisition of firearms. >> the assault rifle and the shotgun that were found with spangler, he committed suicide. >>> this, meanwhile, is the sketch of a suspect in thursday's subway killing in new york city. the woman is said to be heavy set and in her 20s. witnesses say that she pushed